This is a small project we need to have done. I have a web page which is collecting unique visitor id's. When the visitor clicks buttons or links on the web page, they go through a tracking platform, this visitor id is passed to the database, and the visitor is then assigned a second user id, and taken to an outside website. When a lead is generated on the outside website, that website sends a postback to the tracking platform with the second user id to notify of a purchase transaction.
What we need to have done, is to first create a database which will receive a postback from the tracking platform with the visitor id which was assigned when the user first visited the website to collect the transaction.
We then need to have the web page fetch the visitor id from this database and match it to the live visitor id on the web page. The web page will need to repeatedly fetch the data from the database to check for new transactions without overloading the server. If there is a transaction which matches the visitor's id, we then need to activate a hidden script on the web page. This hidden script will also need to be added to the webpage. The hidden script will send the transaction to our traffic source.
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